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1,125 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 184 funds opening new positions, 400 increasing their positions, 372 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

163% more first-time investments, than exits

New positions opened: 184 | Existing positions closed: 70

78% more call options, than puts

Call options by funds: $87.1M | Put options by funds: $49M

71% more funds holding in top 10

Funds holding in top 10: 1424 (+10)

13% more capital invested

Capital invested by funds: $37.4B → $42.1B (+$4.72B)

9% more funds holding

Funds holding: 1,0311,125 (+94)

2.9% more ownership

Funds ownership: 86.33%89.22% (+2.9%)

8% more repeat investments, than reductions

Existing positions increased: 400 | Existing positions reduced: 372

Holders
1,125
Holders Change
+94
Holders Change %
+9.12%
% of All Funds
13.69%
Holding in Top 10
24
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+71.43%
% of All Funds
0.29%
New
184
Increased
400
Reduced
372
Closed
70
Calls
$87.1M
Puts
$49M
Net Calls
+$38M
Net Calls Change
+$4.4M
Name Holding Trade Value Shares
Change
Change in
Stake
IP
1126
Interval Partners
New York
-$50M -265,944 Closed
Zurich Cantonal Bank
1127
Zurich Cantonal Bank
Switzerland
-$22.3M -114,734 Closed
Tudor Investment Corp
1128
Tudor Investment Corp
Connecticut
-$19.4M -99,845 Closed
DCP
1129
Distillate Capital Partners
Illinois
-$15.8M -83,848 Closed
Connor, Clark & Lunn Investment Management (CC&L)
1130
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
-$14.3M -75,942 Closed
SCM
1131
Sone Capital Management
New York
-$9.26M -49,264 Closed
EF
1132
Empowered Funds
Pennsylvania
-$4.69M -24,931 Closed
MFS
1133
Mirabella Financial Services
United Kingdom
-$2.72M -14,494 Closed
AIM
1134
Aigen Investment Management
New York
-$2.67M -14,196 Closed
IGAM
1135
iA Global Asset Management
Quebec, Canada
-$2.03M -10,821 Closed
FC
1136
Farringdon Capital
United Kingdom
-$2.03M -10,808 Closed
SBFM
1137
S-Bank Fund Management
Finland
-$2M -10,616 Closed
OC
1138
Oppenheimer & Co
New York
-$1.76M -9,336 Closed
WI
1139
WBI Investments
New Jersey
-$1.51M -8,042 Closed
DFCM
1140
Dark Forest Capital Management
Puerto Rico
-$1.38M -7,334 Closed
Kovitz Investment Group Partners
1141
Kovitz Investment Group Partners
Illinois
-$1.27M -6,742 Closed
PAS
1142
Park Avenue Securities
New York
-$1.24M -6,600 Closed
RS
1143
R Squared
Hong Kong
-$1.1M -5,827 Closed
BJL
1144
Brighton Jones LLC
Washington
-$845K -4,493 Closed
VF
1145
Virtu Financial
New York
-$746K -3,967 Closed
EIP
1146
Epoch Investment Partners
New York
-$719K -3,826 Closed
HFM
1147
Hartford Funds Management
Pennsylvania
-$717K -3,812 Closed
I
1148
InceptionR
California
-$705K -3,751 Closed
DTL
1149
Dynamic Technology Lab
Singapore
-$681K -3,620 Closed
SPA
1150
Sherbrooke Park Advisers
New York
-$533K -2,836 Closed